Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5841224 | Second grid for an electron gun having apertures and rotary asymmetrical portions facing the first and third grids | Won Hyun Kim, Sung Kil Kim, Hyun-Chul Kim, Sung Ho Cho, Sung Ki AHN | 1998-11-24 |
| 5574331 | In-line electron gun for a color picture tube | Sung Gi An, Hyun-Chul Kim, Sung Ho Cho, Hee Sook Lee, Won Hyun Kim | 1996-11-12 |
| 5512797 | Electron guns for color picture tube | Won Hyun Kim, Hee Sook Lee, Sung-gi Ahn, Sung Ho Cho, Myeong Won LEE +1 more | 1996-04-30 |